projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 047ea784 PM |
1 | #ifndef _ASM_POWERPC_PGALLOC_H |
| 2 | #define _ASM_POWERPC_PGALLOC_H | |
| 88ced031 | 3 | #ifdef __KERNEL__ |
| 047ea784 | 4 | |
| 0186f47e KG |
5 | #include <linux/mm.h> |
| 6 | ||
| c7cc58a1 BH |
7 | #ifdef CONFIG_PPC_BOOK3E |
| 8 | extern void tlb_flush_pgtable(struct mmu_gather *tlb, unsigned long address); | |
| 9 | #else /* CONFIG_PPC_BOOK3E */ | |
| 10 | static inline void tlb_flush_pgtable(struct mmu_gather *tlb, | |
| 11 | unsigned long address) | |
| 12 | { | |
| 13 | } | |
| 14 | #endif /* !CONFIG_PPC_BOOK3E */ | |
| 15 | ||
| 0186f47e KG |
16 | static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte) |
| 17 | { | |
| 18 | free_page((unsigned long)pte); | |
| 19 | } | |
| 20 | ||
| 21 | static inline void pte_free(struct mm_struct *mm, pgtable_t ptepage) | |
| 22 | { | |
| 23 | pgtable_page_dtor(ptepage); | |
| 24 | __free_page(ptepage); | |
| 25 | } | |
| 26 | ||
| 27 | typedef struct pgtable_free { | |
| 28 | unsigned long val; | |
| 29 | } pgtable_free_t; | |
| 30 | ||
| 31 | #define PGF_CACHENUM_MASK 0x7 | |
| 32 | ||
| 33 | static inline pgtable_free_t pgtable_free_cache(void *p, int cachenum, | |
| 34 | unsigned long mask) | |
| 35 | { | |
| 36 | BUG_ON(cachenum > PGF_CACHENUM_MASK); | |
| 37 | ||
| 38 | return (pgtable_free_t){.val = ((unsigned long) p & ~mask) | cachenum}; | |
| 39 | } | |
| 40 | ||
| f88df14b DG |
41 | #ifdef CONFIG_PPC64 |
| 42 | #include <asm/pgalloc-64.h> | |
| 047ea784 | 43 | #else |
| f88df14b | 44 | #include <asm/pgalloc-32.h> |
| 3c726f8d | 45 | #endif |
| 1da177e4 | 46 | |
| 0186f47e | 47 | #ifdef CONFIG_SMP |
| c7cc58a1 BH |
48 | extern void pgtable_free_tlb(struct mmu_gather *tlb, pgtable_free_t pgf); |
| 49 | extern void pte_free_finish(void); | |
| 50 | #else /* CONFIG_SMP */ | |
| 51 | static inline void pgtable_free_tlb(struct mmu_gather *tlb, pgtable_free_t pgf) | |
| 52 | { | |
| 53 | pgtable_free(pgf); | |
| 54 | } | |
| 55 | static inline void pte_free_finish(void) { } | |
| 56 | #endif /* !CONFIG_SMP */ | |
| 0186f47e | 57 | |
| c7cc58a1 BH |
58 | static inline void __pte_free_tlb(struct mmu_gather *tlb, struct page *ptepage, |
| 59 | unsigned long address) | |
| 60 | { | |
| 61 | pgtable_free_t pgf = pgtable_free_cache(page_address(ptepage), | |
| 62 | PTE_NONCACHE_NUM, | |
| 63 | PTE_TABLE_SIZE-1); | |
| 64 | tlb_flush_pgtable(tlb, address); | |
| 65 | pgtable_page_dtor(ptepage); | |
| 66 | pgtable_free_tlb(tlb, pgf); | |
| 67 | } | |
| 0186f47e | 68 | |
| 88ced031 | 69 | #endif /* __KERNEL__ */ |
| 047ea784 | 70 | #endif /* _ASM_POWERPC_PGALLOC_H */ |